SMTP Error (554): failed to add recipient ... (5.7.1 <[email protected]>: Sender address rejected: Access denied)."
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Hi,
While I can login into my [email protected] account, I CANNOT send any e-mail message, nor from my IMAP desktop e-mail client (which is Vivaldi Browser, BTW(!)), nor from the web interface "webmail.vivaldi.net".When I press "Send" in the web interface on webmail.vivaldi.net, a red pop-up window appears, saying: "SMTP Error (554): failed to add recipient "[email protected]" (5.7.1 [email protected]: Sender address rejected: Access denied)."
How is it possible that my own access to vivaldi SMTP server is denied, while I am logged in, into webmail.vivaldi.net?(!)
Why can't I send e-mail messages, anymore?
Can anybody help me?
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@newscpq Are you trying to use an alias?
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@Ayespy no, I'm not
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@newscpq Is your recipient a user of an MS email address such as outlook.com or hotmail?
